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Finding the Fourth Proportional to 1,594.36, 2,199.50 and 930.92

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Solution

The fourth proportional to 1,594.36, 2,199.50 and 930.92 is: 1,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.36 : 2,199.50 = 930.92 : x
  2. Step 2: Convert to fraction form
    1,594.36/2,199.50 = 930.92/x
  3. Step 3: Cross multiply
    1,594.36x = 2,199.50 × 930.92
  4. Step 4: Simplify right side
    1,594.36x = 2,047,557.80
  5. Step 5: Solve for x
    x = 2,047,557.80/1,594.36
  6. Step 6: Final answer
    x = 1,284.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.